Finding the Fourth Proportional to 113,431.43, 170,171.78 and 34,543.59

Step by Step Solution

1. Step 1: Write the proportion equation
   113,431.43 : 170,171.78 = 34,543.59 : x
2. Step 2: Convert to fraction form
   113,431.43/170,171.78 = 34,543.59/x
3. Step 3: Cross multiply
   113,431.43x = 170,171.78 × 34,543.59
4. Step 4: Simplify right side
   113,431.43x = 5,878,344,025.17
5. Step 5: Solve for x
   x = 5,878,344,025.17/113,431.43
6. Step 6: Final answer
   x = 51,822.89